How to Install and Setup W3 Total Cache for Beginners

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Do you want to install and set up W3 Total Cache on your WordPress website?

W3 Total Cache is a popular WordPress caching plugin that helps you to improve your website speed and performance.

In this beginner’s guide, we’ll show you how to easily install and set up W3 Total Cache on your WordPress website.

WordPress caching plugins help you reduce this by skipping PHP and serving a cached copy of your webpage.

Before you install the W3 Total Cache plugin in WordPress, you’ll need to make sure that you deactivate any other caching plugin on your website. This would help you save server resources and prevent any plugin conflicts.

Upon activation, W3 Total Cache will add a new menu item labeled ‘Performance’ to your WordPress admin sidebar. Clicking on it will launch the plugin’s setup wizard.

Simply click on the Next button to continue.

First, you will be asked to turn on Page Cache. Click on the Test Page Cache button to continue.

Click on the Next button to continue.

Now, you will be given the option to Test Database Cache. We recommend choosing None. For most small to medium sized websites your MySQL server will be able to fetch data more quickly than the Database cache.

Click on the Next button to move on to the next step.

This will bring you to the Object Cache section. Object Caching allows W3 Total Cache to store database queries for dynamic pages and reuse them to improve performance.

If the test result shows barely a few milliseconds difference then you can choose None.

Click on the next button to continue.

After that, click on the Test Browser Cache button and then select the ‘Enabled’ option under the test results.

This option requests user’s browsers to store a copy of the web page for a limited time. Loading a page from browser cache is much faster than loading it from your web server’s cache.

Click on the next button to move on to the next step.

Now, WordPress comes with built-in lazy loading for images. However, some older browsers may not have support for that feature.

W3 Total Cache uses JavaScript to add lazy loading for images, which can be even faster and more efficient.

After that, click on the Next button to finish the setup wizard and view W3 Total Cache dashboard.

The basic settings would work for most websites. However, there are many advanced options that you can configure to further improve performance.

Let’s take a look at the most important ones.

The term ‘minify’ is used to describe a method that makes your website file sizes smaller. It does this by removing white spaces, lines, and unnecessary characters from the source code.

Note: Minifiying JS and CSS files can potentially break your website. If you turn it on and your website doesn’t look right, then simply disable these options.

W3 Total Cache allows you to easily minify JavaScript, CSS, and HTML source code as well. However, we recommend only minifying JavaScript and CSS files.

Simply head over to Performance » Minify page and scroll down to the JS section.

Check the box next to ‘JS minify settings’ to enable it.

Now, scroll down to the CSS section and enable CSS minify settings the same way.

Don’t forget to click on the Save All Settings button to store your settings.

CDNs or content delivery networks help you further improve your website performance by serving static files like images, CSS, JavaScript from a global network of servers.

This reduces the load on your WordPress hosting server and improves page load speed.

W3 Total Cache comes with built-in support for various CDN platforms.

A pull zone adds a hostname to Bunny.net CDN. This hostname is then used to serve static files for your website.

Add a name for your pull zone and then provide your website’s domain name.

After adding the pullzone, you need to visit the Performance » General Settings page and scroll down to the CDN section.

Check the Enable box next to the CDN option and choose Generic Mirror next to the CDN Type option.

Don’t forget to click on the Save All Changes button to store your settings.

Next, you need to visit the Performance » CDN page and scroll down to the Configuration: Objects section.

From here, you need to add the hostname you created earlier for your pullzone and click on the test mirror button.

W3 Total Cache will check the availability of your hostname, and will show the Test Passed message when it’s successful.

You can now click on the Save All Changes button to store your settings.

W3 Total Cache will now start serving your static resources from CDN server.

Once you have configured W3 Total Cache properly, it should work seamlessly in the background to improve WordPress speed and boost performance.

Most common reason for those issues is that you are probably seeing an old cached version of your website.

This can be easily fixed by clearing cache in WordPress.

Simply click on the Performance menu at the top and then select Purge All Caches option. W3 Total Cache will clear all cached content on your website.

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